PNEUMATIC LIFTING DIGGING SHIP

The utility model relates to a pneumatic lifting digging ship for large-scale river crossing construction for a long transmission pipe line for digging submarine pipe ditches. The utility model comprises a pneumatic lifting device which can move up and down and horizontally and a flat bottom barge w...

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Bibliographic Details
Main Authors LIU DAMIN, BEI KEREN
Format Patent
LanguageEnglish
Published 30.01.1991
Edition5
Subjects
DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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Summary:The utility model relates to a pneumatic lifting digging ship for large-scale river crossing construction for a long transmission pipe line for digging submarine pipe ditches. The utility model comprises a pneumatic lifting device which can move up and down and horizontally and a flat bottom barge which can supply water, electricity and air. The pneumatic lifting device adopts a mud pump with the large caliber of over phi 400 millimeters. The high efficient mud pumping and digging working of the single machine can be realized through the great air supply. The utility model is adaptable to digging the submarine pipe ditches for various riverbeds with the soft structure, such as mud, sand, loam, pebble, etc. The pipeline crossing complete cross-section laying in the ditch burying mode for large and medium rivers can be completed through the pneumatic lifting digging ship.
Bibliography:Application Number: CN1990212797U